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Frequent disturbing dreams have been linked to an increased chance of developing dementia.

A person sleeping in bed wearing an eye mask
6NR

Mar 20, 2026

Research from the Center for healthy brain aging has found those who have nightmares or distressing dreams are more likely to develop the disease. The link was most prevalent in 60 to 69 year olds, with those who reported the dreams frequently being four times more likely to suffer from dementia later in life. Researchers say their study doesn't prove disturbing dreams cause dementia. They do, however, believe an increase in nightmares in your 60s may be an early warning sign of underlying changes to the brain.